Fig. 2.
Average scores on the mental and physical components of the SF-36 Health Survey questionnaire, from preoperative baseline (preop) to final follow-up (week 24). Increased scores indicate improvement
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.